At Wed, 17 Jun 2015 12:35:36 -0700 (PDT), Andrew Kent wrote:
> On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
> > One data point:
> > I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version 10.9.5, 
> > and 
> if I remember correctly it was a Racket plus Tests 64-bit installation.
> > I tried those steps, and it worked fine, with no weird black areas, though 
> > I 
> do remember occasionally getting similar small black areas in the past, 
> covering just the tab bar or something like that, and when I moved my mouse 
> over it it fixed itself? I’m not sure if I remember that correctly, and I’m 
> not 
> sure if that could be related to what you got, because that wasn’t with full 
> screen or the mission control screen, and I could not produce that 
> consistently.
> > 
> > 
> > On Jun 17, 2015, at 12:25 PM, Andrew Kent <andm...@indiana.edu> wrote:
> > 
> > 
> > Good day all!
> > 
> > 
> > First, I just wanted to say DrRacket is *amazing* and thank all who have 
> helped it become what it is today! I'm currently using it to work on Typed 
> Racket and it is a godsend.
> > 
> > 
> > Right now, unfortunately, I am having some problems w/ DrRacket rendering 
> > in 
> OS X -- I am getting large black areas appearing in full screen mode in 
> DrRacket. They seem pretty serious/severe, and I was curious if anyone else 
> has 
> seen this behavior?
> > 
> > 
> > 
> > PDF w/ screenshots & some attempt to describe problem(s):
> > https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
> > 
> > 
> > Steps that seem to recreate issue:
> > 1) Open DrRacket
> > 2) Make it full screen by clicking green button at top left of DrRacket
> > 3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on touchpad) 4) 
> Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
> > touchpad) nd
> > 5) Repeat 3-4 a couple times (after the 2 time it seemed to consistently
> > happen on my machine)
> > 
> > 
> > - This worked whether or not I was plugged into the external monitor
> > - the snapshots reproduced the issue on were the Racket plus Tests | Mac OS 
> > X 
> | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b) & version 
> 6.2.0.4 (20150617-97827ac)
> > - I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a 
> > early 
> 2013 13” MacBook Air
> > 
> > 
> > 
> > 
> > Best,
> > Andrew
> 
> Additional note/update:
> When I was writing up the bug description those steps _were_ working 
> consistently for me. Now, however, they do not... but somewhat erratically 
> jumping workspaces left to right (I have Powerpoint full screened at the 
> moment 
> as well) mixed w/ some Mission Control access can cause it.
> 
> So, I can't figure out how to do it 100% consistently, but it is definitely a 
> reoccurring issue and sometimes I end up just having to close DrRacket to 
> make 
> it go away.

I haven't been able to replicate the problem, but I'm also using
Mavericks. This problem could easily be specific to Yosemite, and I'll
check when I get back to my Yosemite machine in a couple of weeks.

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